Steam quality apparatus

Details Steam quality apparatus Steam quality apparatus

1987-03-02

1988-09-06

Novosad, Stephen J.

Wells

Receptacles

Valve control means contacting well conduit wall

7386321, 7386463, 166169, E21B 4908, G01N 112

Patent

active

047685913

ABSTRACT:
A downhole steam sampler for collecting the liquid phase content of a steam flow, immediately prior to the latter being injected into a substrate surrounding a hole or well. A reservoir within the sampler separates and retains the liquid phase while permitting the vaporous phase to pass. Detent means cooperates with a pair of spaced apart flow control valves to permit said valves to be closed simultaneously when the steam sampling operation is completed. The detent means is actuated in response to withdrawal of the sampler from the well, an action which displaces an externally positioned sleeve.

REFERENCES:
patent: 3249054 (1966-05-01), Hill
patent: 3459263 (1969-08-01), Drivet
patent: 3934469 (1976-01-01), Howard et al.
patent: 3981189 (1976-09-01), Howard et al.
patent: 4088187 (1978-05-01), Howard et al.
patent: 4254830 (1981-03-01), Garney et al.

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